<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="	https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css">
    <style>
        .red {
            color: red;
        }
    </style>
</head>

<body>
    <div id="app">
        <div class="container">
            <!-- 顶部搜索框模块 -->
            <div class="form-group">
                <div class="input-group">
                    <h4>品牌管理</h4>
                </div>
            </div>

            <!-- 数据表格 -->
            <table class="table table-bordered table-hover mt-2">
                <thead>
                    <tr>
                        <th>编号</th>
                        <th>资产名称</th>
                        <th>价格</th>
                        <th>创建时间</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(item,index) in list">
                        <td>{{item.id}}</td>
                        <td>{{item.name}}</td>
                        <!-- 如果价格超过100，就有red这个类 -->
                        <td :class="{red:item.price>100}">{{item.price}}</td>
                        <td>{{item.time}}</td>
                        <td><a  @click="del(item.id)">删除</a></td>
                        <!-- href="#" -->
                    </tr>
                    <tr style="background-color: #EEE">
                        <td>统计:</td>
                        <td colspan="2">总价钱为:{{totalPrice}}</td>
                        <td colspan="2">平均价:{{totalPrice/list.length}}</td>
                    </tr>
                </tbody>
                <tfoot v-show="list.length===0">
                    <tr>
                        <td colspan="5" style="text-align: center">暂无数据</td>
                    </tr>
                </tfoot>
            </table>

            <!-- 添加资产 -->
            <form class="form-inline">
                <div class="form-group">
                    <div class="input-group">
                        <input type="text" class="form-control" placeholder="资产名称" v-model="newname" />
                    </div>
                </div>
                &nbsp;&nbsp;&nbsp;&nbsp;
                <div class="form-group">
                    <div class="input-group">
                        <input type="text" class="form-control" placeholder="价格" v-model="newprice" />
                    </div>
                </div>
                &nbsp;&nbsp;&nbsp;&nbsp;
                <!-- 阻止表单提交 -->
                <button class="btn btn-primary" @click="add" type="button" >添加资产</button>
                <!--  -->
            </form>
        </div>
    </div>
    <script src="./vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                name: "", // 名称
                price: 0, // 价格
                list: [
                    { id: 100, name: "外套", price: 199, time: new Date('2010-08-12') },
                    { id: 101, name: "裤子", price: 34, time: new Date('2013-09-01') },
                    { id: 102, name: "鞋", price: 25.4, time: new Date('2018-11-22') },
                    { id: 103, name: "头发", price: 19900, time: new Date('2020-12-12')},
                ],
                newname:'',//新添加的名字
                newprice:0,//新添加的价格
            },
            methods : {
                del(id){
                  this.list=this.list.filter(item=>item.id !== id)
                },
                add(){
                  if(!this.newname.trim()) return alert('请输入正确的名字!')
                  if(this.newprice<= 0) return alert('请输入正确的价格!')
                  this.list.push({
                     id: this.list[this.list.length - 1].id + 1,
                     name:this.newname,
                     price:this.newprice,
                     time:new Date('2024-11-11')
                })
                 this.newname=''
                 this.newprice=''
                }
            },
            computed : {
               totalPrice(){
                const total=this.list.reduce((sum,item)=>sum + item.price,0)
                return total
               },
            },
            watch :{
              list : {
                deep:true,
              }
            }
        })
    </script>
</body>

</html>